When using science to investigate physical phenomena, which characteristic of the event must exist?

a. predictable

b. observable

c. provable

d. readable

Planet A has twice the mass of Planet B. From this information, what can we conclude about the acceleration due to gravity at the surface of Planet A compared to that at the surface of Planet B?

What type of plate boundary exists today along the himalayas?

How many 200 ml cups can be filled with 6 1.5 litre bottles

A material that release energy when it burn

A ball is dropped out of a window and falls for 8.75 s. What is the ball's final velocity?

If a chromosome on unfolds itself how is transcription enhanced

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

What process is used when the sun transfers light to plants A. conduction B. radiation C. convection D. all of these

Which wave characteristic has the unit hertz

A stretched spring has 5184 J of elastic potential energy and a spring constant of 16,200 N/m. What is the displacement of the spring?